Article View: sci.crypt
Article #291Re: Using genetic engineering for exhaustive DES key search
From: Damon
Date: Sun, 01 Nov 1992 19:28
Date: Sun, 01 Nov 1992 19:28
35 lines
2444 bytes
2444 bytes
In article <17786@autodesk.COM> drake@Autodesk.COM (Dan Drake) writes: >wcs@anchor.ho.att.com (Bill Stewart +1-908-949-0705) writes: >+ >+ lou@Cadence.COM (Louis K. Scheffer) writes: >+ +The basic approach would be to build a bacteria that acts as a DES key search >+ +machine. Each bacteria generates keys at random, decrypts the encrypted block >+ +with the key, and compares the result with the plaintext. If there is a match, >+ >+ A real computer virus, eh? The difficult part is to gen up an enzyme >+ that generates _random_ numbers, represented as e.g. random proteins. >+ (OK, I'm not sure getting a bacterium to do DES is really that >+ straightforward either, but ....) Enzymes like to always do the same thing. >+ The obvious approach is to use mutations to create the randomness, >+ but the mutagen would also presumably affect the compare-the-results genes. >+ So you've now got a very large number of very small monkeys typing away, >+ and another crowd of monkeys randomly yelling "This stuff is Shakespeare!" :-) >+ -- >+ Pray for peace; Bill >+ #Bill Stewart 908-949-0705 wcs@anchor.ho.att.com AT&T Bell Labs 4M312 Holmdel NJ >+ # Trickle-Down Economics: Giving money to government bureaucrats >+ # and hoping some will trickle down to the people who need help. > >It's surprising that no one has mentioned the immune system here. >Generating a zillion variant cells which make a zillion variant >antibodies, apparently at random, is just what makes it possible to Only about 10,000,000,000 variations at my last calculation, and fairly deterministic. Damon -- Damon Hart-Davis | Tel/Fax: +44 81 755 0077 |1.30|| Cheap Sun eqpt available. Internet:dhd@exnet.co.uk, Damon@ed.ac.uk, d@hd.org|| Mail/news feeds available. --------------------------+ Will exchange uucped local articles free over V22b. Public access UNIX (Suns), news and mail for #5 per month. FIRST MONTH FREE.
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Newsgroups: sci.crypt Path: arc1-ca.pugleaf.net!sparky!uunet!utcsri!torn!cunews!nrcnet0!bnrgate!bnr.co.uk!pipex!ibmpcug!exnet!dhd From: dhd@exnet.co.uk (Damon) Subject: Re: Using genetic engineering for exhaustive DES key search Message-ID: <Bx1y31.9n5@exnet.co.uk> Organization: ExNet Systems Ltd Public Access News, London, UK References: <WCS.92Oct6234611@rainier.ATT.COM+ <17786@autodesk.COM> Distribution: na Date: Sun, 1 Nov 1992 19:28:12 GMT Lines: 35